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Finding the Third Proportional to 163,470 and 249,957.50

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Solution

The third proportional to 163,470 and 249,957.50 is: 382,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,470 : 249,957.50 = 249,957.50 : x
  2. Step 2: Convert to fraction form
    163,470/249,957.50 = 249,957.50/x
  3. Step 3: Cross multiply
    163,470x = 249,957.50 × 249,957.50
  4. Step 4: Simplify right side
    163,470x = 62,478,751,806.25
  5. Step 5: Solve for x
    x = 62,478,751,806.25/163,470
  6. Step 6: Final answer
    x = 382,203.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.