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Finding the Third Proportional to 761,918.06 and 1,120,117.78

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Solution

The third proportional to 761,918.06 and 1,120,117.78 is: 1,646,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,918.06 : 1,120,117.78 = 1,120,117.78 : x
  2. Step 2: Convert to fraction form
    761,918.06/1,120,117.78 = 1,120,117.78/x
  3. Step 3: Cross multiply
    761,918.06x = 1,120,117.78 × 1,120,117.78
  4. Step 4: Simplify right side
    761,918.06x = 1,254,663,843,872.42
  5. Step 5: Solve for x
    x = 1,254,663,843,872.42/761,918.06
  6. Step 6: Final answer
    x = 1,646,717.55

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.