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Finding the Third Proportional to 295,115.91 and 432,985.50

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Solution

The third proportional to 295,115.91 and 432,985.50 is: 635,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,115.91 : 432,985.50 = 432,985.50 : x
  2. Step 2: Convert to fraction form
    295,115.91/432,985.50 = 432,985.50/x
  3. Step 3: Cross multiply
    295,115.91x = 432,985.50 × 432,985.50
  4. Step 4: Simplify right side
    295,115.91x = 187,476,443,210.25
  5. Step 5: Solve for x
    x = 187,476,443,210.25/295,115.91
  6. Step 6: Final answer
    x = 635,263.77

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.