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Finding the Third Proportional to 332,316 and 487,369

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Solution

The third proportional to 332,316 and 487,369 is: 714,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,316 : 487,369 = 487,369 : x
  2. Step 2: Convert to fraction form
    332,316/487,369 = 487,369/x
  3. Step 3: Cross multiply
    332,316x = 487,369 × 487,369
  4. Step 4: Simplify right side
    332,316x = 237,528,542,161
  5. Step 5: Solve for x
    x = 237,528,542,161/332,316
  6. Step 6: Final answer
    x = 714,767.10

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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.