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Finding the Third Proportional to 181,918,132 and 279,903,534

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Solution

The third proportional to 181,918,132 and 279,903,534 is: 430,666,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,918,132 : 279,903,534 = 279,903,534 : x
  2. Step 2: Convert to fraction form
    181,918,132/279,903,534 = 279,903,534/x
  3. Step 3: Cross multiply
    181,918,132x = 279,903,534 × 279,903,534
  4. Step 4: Simplify right side
    181,918,132x = 78,345,988,345,689,152
  5. Step 5: Solve for x
    x = 78,345,988,345,689,152/181,918,132
  6. Step 6: Final answer
    x = 430,666,187.50

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.