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Finding the Third Proportional to 128,465,126 and 183,131,769

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Solution

The third proportional to 128,465,126 and 183,131,769 is: 261,061,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,465,126 : 183,131,769 = 183,131,769 : x
  2. Step 2: Convert to fraction form
    128,465,126/183,131,769 = 183,131,769/x
  3. Step 3: Cross multiply
    128,465,126x = 183,131,769 × 183,131,769
  4. Step 4: Simplify right side
    128,465,126x = 33,537,244,817,069,360
  5. Step 5: Solve for x
    x = 33,537,244,817,069,360/128,465,126
  6. Step 6: Final answer
    x = 261,061,082.19

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.