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Finding the Third Proportional to 187,596,268 and 407,486,545

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Solution

The third proportional to 187,596,268 and 407,486,545 is: 885,120,403.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,596,268 : 407,486,545 = 407,486,545 : x
  2. Step 2: Convert to fraction form
    187,596,268/407,486,545 = 407,486,545/x
  3. Step 3: Cross multiply
    187,596,268x = 407,486,545 × 407,486,545
  4. Step 4: Simplify right side
    187,596,268x = 166,045,284,356,037,024
  5. Step 5: Solve for x
    x = 166,045,284,356,037,024/187,596,268
  6. Step 6: Final answer
    x = 885,120,403.12

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