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Finding the Third Proportional to 7,293,672 and 15,871,680

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Solution

The third proportional to 7,293,672 and 15,871,680 is: 34,538,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,293,672 : 15,871,680 = 15,871,680 : x
  2. Step 2: Convert to fraction form
    7,293,672/15,871,680 = 15,871,680/x
  3. Step 3: Cross multiply
    7,293,672x = 15,871,680 × 15,871,680
  4. Step 4: Simplify right side
    7,293,672x = 251,910,226,022,400
  5. Step 5: Solve for x
    x = 251,910,226,022,400/7,293,672
  6. Step 6: Final answer
    x = 34,538,189.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.