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Finding the Third Proportional to 72,773,924 and 157,826,657

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Solution

The third proportional to 72,773,924 and 157,826,657 is: 342,282,678.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,773,924 : 157,826,657 = 157,826,657 : x
  2. Step 2: Convert to fraction form
    72,773,924/157,826,657 = 157,826,657/x
  3. Step 3: Cross multiply
    72,773,924x = 157,826,657 × 157,826,657
  4. Step 4: Simplify right side
    72,773,924x = 24,909,253,659,795,648
  5. Step 5: Solve for x
    x = 24,909,253,659,795,648/72,773,924
  6. Step 6: Final answer
    x = 342,282,678.89

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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.