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Finding the Third Proportional to 64,710 and 99,952

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Solution

The third proportional to 64,710 and 99,952 is: 154,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,710 : 99,952 = 99,952 : x
  2. Step 2: Convert to fraction form
    64,710/99,952 = 99,952/x
  3. Step 3: Cross multiply
    64,710x = 99,952 × 99,952
  4. Step 4: Simplify right side
    64,710x = 9,990,402,304
  5. Step 5: Solve for x
    x = 9,990,402,304/64,710
  6. Step 6: Final answer
    x = 154,387.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.