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Finding the Third Proportional to 28,990,374 and 62,130,630

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Solution

The third proportional to 28,990,374 and 62,130,630 is: 133,155,066.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990,374 : 62,130,630 = 62,130,630 : x
  2. Step 2: Convert to fraction form
    28,990,374/62,130,630 = 62,130,630/x
  3. Step 3: Cross multiply
    28,990,374x = 62,130,630 × 62,130,630
  4. Step 4: Simplify right side
    28,990,374x = 3,860,215,184,196,900
  5. Step 5: Solve for x
    x = 3,860,215,184,196,900/28,990,374
  6. Step 6: Final answer
    x = 133,155,066.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.