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Finding the Third Proportional to 125,853 and 187,075.50

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Solution

The third proportional to 125,853 and 187,075.50 is: 278,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,853 : 187,075.50 = 187,075.50 : x
  2. Step 2: Convert to fraction form
    125,853/187,075.50 = 187,075.50/x
  3. Step 3: Cross multiply
    125,853x = 187,075.50 × 187,075.50
  4. Step 4: Simplify right side
    125,853x = 34,997,242,700.25
  5. Step 5: Solve for x
    x = 34,997,242,700.25/125,853
  6. Step 6: Final answer
    x = 278,080.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.