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Finding the Third Proportional to 64,653 and 99,342

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Solution

The third proportional to 64,653 and 99,342 is: 152,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,653 : 99,342 = 99,342 : x
  2. Step 2: Convert to fraction form
    64,653/99,342 = 99,342/x
  3. Step 3: Cross multiply
    64,653x = 99,342 × 99,342
  4. Step 4: Simplify right side
    64,653x = 9,868,832,964
  5. Step 5: Solve for x
    x = 9,868,832,964/64,653
  6. Step 6: Final answer
    x = 152,643.08

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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.