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Finding the Third Proportional to 249,868.50 and 397,397.25

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Solution

The third proportional to 249,868.50 and 397,397.25 is: 632,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,868.50 : 397,397.25 = 397,397.25 : x
  2. Step 2: Convert to fraction form
    249,868.50/397,397.25 = 397,397.25/x
  3. Step 3: Cross multiply
    249,868.50x = 397,397.25 × 397,397.25
  4. Step 4: Simplify right side
    249,868.50x = 157,924,574,307.56
  5. Step 5: Solve for x
    x = 157,924,574,307.56/249,868.50
  6. Step 6: Final answer
    x = 632,030.75

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.