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Finding the Third Proportional to 201,896,166.38 and 438,249,499.88

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Solution

The third proportional to 201,896,166.38 and 438,249,499.88 is: 951,294,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,896,166.38 : 438,249,499.88 = 438,249,499.88 : x
  2. Step 2: Convert to fraction form
    201,896,166.38/438,249,499.88 = 438,249,499.88/x
  3. Step 3: Cross multiply
    201,896,166.38x = 438,249,499.88 × 438,249,499.88
  4. Step 4: Simplify right side
    201,896,166.38x = 192,062,624,140,687,616
  5. Step 5: Solve for x
    x = 192,062,624,140,687,616/201,896,166.38
  6. Step 6: Final answer
    x = 951,294,061.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.