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Finding the Third Proportional to 319,609.55 and 532,619.93

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Solution

The third proportional to 319,609.55 and 532,619.93 is: 887,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,609.55 : 532,619.93 = 532,619.93 : x
  2. Step 2: Convert to fraction form
    319,609.55/532,619.93 = 532,619.93/x
  3. Step 3: Cross multiply
    319,609.55x = 532,619.93 × 532,619.93
  4. Step 4: Simplify right side
    319,609.55x = 283,683,989,500.32
  5. Step 5: Solve for x
    x = 283,683,989,500.32/319,609.55
  6. Step 6: Final answer
    x = 887,595.48

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.