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Finding the Third Proportional to 369,916.50 and 808,318.50

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Solution

The third proportional to 369,916.50 and 808,318.50 is: 1,766,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,916.50 : 808,318.50 = 808,318.50 : x
  2. Step 2: Convert to fraction form
    369,916.50/808,318.50 = 808,318.50/x
  3. Step 3: Cross multiply
    369,916.50x = 808,318.50 × 808,318.50
  4. Step 4: Simplify right side
    369,916.50x = 653,378,797,442.25
  5. Step 5: Solve for x
    x = 653,378,797,442.25/369,916.50
  6. Step 6: Final answer
    x = 1,766,287.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.