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Finding the Third Proportional to 711,547 and 1,555,826

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Solution

The third proportional to 711,547 and 1,555,826 is: 3,401,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,547 : 1,555,826 = 1,555,826 : x
  2. Step 2: Convert to fraction form
    711,547/1,555,826 = 1,555,826/x
  3. Step 3: Cross multiply
    711,547x = 1,555,826 × 1,555,826
  4. Step 4: Simplify right side
    711,547x = 2,420,594,542,276
  5. Step 5: Solve for x
    x = 2,420,594,542,276/711,547
  6. Step 6: Final answer
    x = 3,401,875.83

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.