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Finding the Third Proportional to 143,374.50 and 249,774.75

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Solution

The third proportional to 143,374.50 and 249,774.75 is: 435,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,374.50 : 249,774.75 = 249,774.75 : x
  2. Step 2: Convert to fraction form
    143,374.50/249,774.75 = 249,774.75/x
  3. Step 3: Cross multiply
    143,374.50x = 249,774.75 × 249,774.75
  4. Step 4: Simplify right side
    143,374.50x = 62,387,425,737.56
  5. Step 5: Solve for x
    x = 62,387,425,737.56/143,374.50
  6. Step 6: Final answer
    x = 435,136.13

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.