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Finding the Third Proportional to 100,084,781.25 and 216,357,373.13

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Solution

The third proportional to 100,084,781.25 and 216,357,373.13 is: 467,708,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,084,781.25 : 216,357,373.13 = 216,357,373.13 : x
  2. Step 2: Convert to fraction form
    100,084,781.25/216,357,373.13 = 216,357,373.13/x
  3. Step 3: Cross multiply
    100,084,781.25x = 216,357,373.13 × 216,357,373.13
  4. Step 4: Simplify right side
    100,084,781.25x = 46,810,512,905,550,472
  5. Step 5: Solve for x
    x = 46,810,512,905,550,472/100,084,781.25
  6. Step 6: Final answer
    x = 467,708,599.86

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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.