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Finding the Third Proportional to 155,426.63 and 247,152.28

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Solution

The third proportional to 155,426.63 and 247,152.28 is: 393,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,426.63 : 247,152.28 = 247,152.28 : x
  2. Step 2: Convert to fraction form
    155,426.63/247,152.28 = 247,152.28/x
  3. Step 3: Cross multiply
    155,426.63x = 247,152.28 × 247,152.28
  4. Step 4: Simplify right side
    155,426.63x = 61,084,250,127.08
  5. Step 5: Solve for x
    x = 61,084,250,127.08/155,426.63
  6. Step 6: Final answer
    x = 393,010.21

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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.