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Finding the Third Proportional to 21,931,011 and 47,523,060

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Solution

The third proportional to 21,931,011 and 47,523,060 is: 102,979,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931,011 : 47,523,060 = 47,523,060 : x
  2. Step 2: Convert to fraction form
    21,931,011/47,523,060 = 47,523,060/x
  3. Step 3: Cross multiply
    21,931,011x = 47,523,060 × 47,523,060
  4. Step 4: Simplify right side
    21,931,011x = 2,258,441,231,763,600
  5. Step 5: Solve for x
    x = 2,258,441,231,763,600/21,931,011
  6. Step 6: Final answer
    x = 102,979,348.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.