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Finding the Third Proportional to 668,547 and 1,005,997.50

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Solution

The third proportional to 668,547 and 1,005,997.50 is: 1,513,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,547 : 1,005,997.50 = 1,005,997.50 : x
  2. Step 2: Convert to fraction form
    668,547/1,005,997.50 = 1,005,997.50/x
  3. Step 3: Cross multiply
    668,547x = 1,005,997.50 × 1,005,997.50
  4. Step 4: Simplify right side
    668,547x = 1,012,030,970,006.25
  5. Step 5: Solve for x
    x = 1,012,030,970,006.25/668,547
  6. Step 6: Final answer
    x = 1,513,776.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.