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Finding the Third Proportional to 186,388,528 and 277,966,454

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Solution

The third proportional to 186,388,528 and 277,966,454 is: 414,539,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,388,528 : 277,966,454 = 277,966,454 : x
  2. Step 2: Convert to fraction form
    186,388,528/277,966,454 = 277,966,454/x
  3. Step 3: Cross multiply
    186,388,528x = 277,966,454 × 277,966,454
  4. Step 4: Simplify right side
    186,388,528x = 77,265,349,549,334,112
  5. Step 5: Solve for x
    x = 77,265,349,549,334,112/186,388,528
  6. Step 6: Final answer
    x = 414,539,190.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.