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Finding the Third Proportional to 302,641.50 and 456,229.50

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Solution

The third proportional to 302,641.50 and 456,229.50 is: 687,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,641.50 : 456,229.50 = 456,229.50 : x
  2. Step 2: Convert to fraction form
    302,641.50/456,229.50 = 456,229.50/x
  3. Step 3: Cross multiply
    302,641.50x = 456,229.50 × 456,229.50
  4. Step 4: Simplify right side
    302,641.50x = 208,145,356,670.25
  5. Step 5: Solve for x
    x = 208,145,356,670.25/302,641.50
  6. Step 6: Final answer
    x = 687,762.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.