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Finding the Third Proportional to 489,516,756.75 and 759,090,447

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Solution

The third proportional to 489,516,756.75 and 759,090,447 is: 1,177,116,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,516,756.75 : 759,090,447 = 759,090,447 : x
  2. Step 2: Convert to fraction form
    489,516,756.75/759,090,447 = 759,090,447/x
  3. Step 3: Cross multiply
    489,516,756.75x = 759,090,447 × 759,090,447
  4. Step 4: Simplify right side
    489,516,756.75x = 576,218,306,726,659,840
  5. Step 5: Solve for x
    x = 576,218,306,726,659,840/489,516,756.75
  6. Step 6: Final answer
    x = 1,177,116,613.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.