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Finding the Third Proportional to 78,551,385 and 169,598,595

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Solution

The third proportional to 78,551,385 and 169,598,595 is: 366,176,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,551,385 : 169,598,595 = 169,598,595 : x
  2. Step 2: Convert to fraction form
    78,551,385/169,598,595 = 169,598,595/x
  3. Step 3: Cross multiply
    78,551,385x = 169,598,595 × 169,598,595
  4. Step 4: Simplify right side
    78,551,385x = 28,763,683,425,974,024
  5. Step 5: Solve for x
    x = 28,763,683,425,974,024/78,551,385
  6. Step 6: Final answer
    x = 366,176,655.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.