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Finding the Third Proportional to 602,700.75 and 911,830.50

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Solution

The third proportional to 602,700.75 and 911,830.50 is: 1,379,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,700.75 : 911,830.50 = 911,830.50 : x
  2. Step 2: Convert to fraction form
    602,700.75/911,830.50 = 911,830.50/x
  3. Step 3: Cross multiply
    602,700.75x = 911,830.50 × 911,830.50
  4. Step 4: Simplify right side
    602,700.75x = 831,434,860,730.25
  5. Step 5: Solve for x
    x = 831,434,860,730.25/602,700.75
  6. Step 6: Final answer
    x = 1,379,515.22

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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.