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Finding the Third Proportional to 708,411 and 1,528,772

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Solution

The third proportional to 708,411 and 1,528,772 is: 3,299,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,411 : 1,528,772 = 1,528,772 : x
  2. Step 2: Convert to fraction form
    708,411/1,528,772 = 1,528,772/x
  3. Step 3: Cross multiply
    708,411x = 1,528,772 × 1,528,772
  4. Step 4: Simplify right side
    708,411x = 2,337,143,827,984
  5. Step 5: Solve for x
    x = 2,337,143,827,984/708,411
  6. Step 6: Final answer
    x = 3,299,135.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.