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Finding the Third Proportional to 329,400.75 and 719,038.50

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Solution

The third proportional to 329,400.75 and 719,038.50 is: 1,569,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,400.75 : 719,038.50 = 719,038.50 : x
  2. Step 2: Convert to fraction form
    329,400.75/719,038.50 = 719,038.50/x
  3. Step 3: Cross multiply
    329,400.75x = 719,038.50 × 719,038.50
  4. Step 4: Simplify right side
    329,400.75x = 517,016,364,482.25
  5. Step 5: Solve for x
    x = 517,016,364,482.25/329,400.75
  6. Step 6: Final answer
    x = 1,569,566.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.