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Finding the Third Proportional to 487,266.75 and 749,918.25

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Solution

The third proportional to 487,266.75 and 749,918.25 is: 1,154,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,266.75 : 749,918.25 = 749,918.25 : x
  2. Step 2: Convert to fraction form
    487,266.75/749,918.25 = 749,918.25/x
  3. Step 3: Cross multiply
    487,266.75x = 749,918.25 × 749,918.25
  4. Step 4: Simplify right side
    487,266.75x = 562,377,381,683.06
  5. Step 5: Solve for x
    x = 562,377,381,683.06/487,266.75
  6. Step 6: Final answer
    x = 1,154,146.84

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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.