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Finding the Third Proportional to 249,583,395.87 and 389,484,410.45

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Solution

The third proportional to 249,583,395.87 and 389,484,410.45 is: 607,805,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,583,395.87 : 389,484,410.45 = 389,484,410.45 : x
  2. Step 2: Convert to fraction form
    249,583,395.87/389,484,410.45 = 389,484,410.45/x
  3. Step 3: Cross multiply
    249,583,395.87x = 389,484,410.45 × 389,484,410.45
  4. Step 4: Simplify right side
    249,583,395.87x = 151,698,105,982,984,288
  5. Step 5: Solve for x
    x = 151,698,105,982,984,288/249,583,395.87
  6. Step 6: Final answer
    x = 607,805,280.70

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.