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Finding the Third Proportional to 3,328,133,065,215 and 7,157,138,712,336

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Solution

The third proportional to 3,328,133,065,215 and 7,157,138,712,336 is: 15,391,402,189,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328,133,065,215 : 7,157,138,712,336 = 7,157,138,712,336 : x
  2. Step 2: Convert to fraction form
    3,328,133,065,215/7,157,138,712,336 = 7,157,138,712,336/x
  3. Step 3: Cross multiply
    3,328,133,065,215x = 7,157,138,712,336 × 7,157,138,712,336
  4. Step 4: Simplify right side
    3,328,133,065,215x = 51,224,634,547,618,619,158,691,840
  5. Step 5: Solve for x
    x = 51,224,634,547,618,619,158,691,840/3,328,133,065,215
  6. Step 6: Final answer
    x = 15,391,402,189,716.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.