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Finding the Third Proportional to 279,543,404.50 and 608,173,743.88

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Solution

The third proportional to 279,543,404.50 and 608,173,743.88 is: 1,323,140,867.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,543,404.50 : 608,173,743.88 = 608,173,743.88 : x
  2. Step 2: Convert to fraction form
    279,543,404.50/608,173,743.88 = 608,173,743.88/x
  3. Step 3: Cross multiply
    279,543,404.50x = 608,173,743.88 × 608,173,743.88
  4. Step 4: Simplify right side
    279,543,404.50x = 369,875,302,738,934,080
  5. Step 5: Solve for x
    x = 369,875,302,738,934,080/279,543,404.50
  6. Step 6: Final answer
    x = 1,323,140,867.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.