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Finding the Third Proportional to 719,680 and 1,539,005.50

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Solution

The third proportional to 719,680 and 1,539,005.50 is: 3,291,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,680 : 1,539,005.50 = 1,539,005.50 : x
  2. Step 2: Convert to fraction form
    719,680/1,539,005.50 = 1,539,005.50/x
  3. Step 3: Cross multiply
    719,680x = 1,539,005.50 × 1,539,005.50
  4. Step 4: Simplify right side
    719,680x = 2,368,537,929,030.25
  5. Step 5: Solve for x
    x = 2,368,537,929,030.25/719,680
  6. Step 6: Final answer
    x = 3,291,098.72

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.