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Finding the Third Proportional to 287,847,088.50 and 411,340,159.50

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Solution

The third proportional to 287,847,088.50 and 411,340,159.50 is: 587,814,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,847,088.50 : 411,340,159.50 = 411,340,159.50 : x
  2. Step 2: Convert to fraction form
    287,847,088.50/411,340,159.50 = 411,340,159.50/x
  3. Step 3: Cross multiply
    287,847,088.50x = 411,340,159.50 × 411,340,159.50
  4. Step 4: Simplify right side
    287,847,088.50x = 169,200,726,817,485,440
  5. Step 5: Solve for x
    x = 169,200,726,817,485,440/287,847,088.50
  6. Step 6: Final answer
    x = 587,814,619.56

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.