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Finding the Third Proportional to 638,748 and 958,140

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Solution

The third proportional to 638,748 and 958,140 is: 1,437,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,748 : 958,140 = 958,140 : x
  2. Step 2: Convert to fraction form
    638,748/958,140 = 958,140/x
  3. Step 3: Cross multiply
    638,748x = 958,140 × 958,140
  4. Step 4: Simplify right side
    638,748x = 918,032,259,600
  5. Step 5: Solve for x
    x = 918,032,259,600/638,748
  6. Step 6: Final answer
    x = 1,437,237.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.