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Finding the Third Proportional to 15,672,915 and 33,242,209

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Solution

The third proportional to 15,672,915 and 33,242,209 is: 70,506,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,915 : 33,242,209 = 33,242,209 : x
  2. Step 2: Convert to fraction form
    15,672,915/33,242,209 = 33,242,209/x
  3. Step 3: Cross multiply
    15,672,915x = 33,242,209 × 33,242,209
  4. Step 4: Simplify right side
    15,672,915x = 1,105,044,459,199,681
  5. Step 5: Solve for x
    x = 1,105,044,459,199,681/15,672,915
  6. Step 6: Final answer
    x = 70,506,632.57

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.