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Finding the Third Proportional to 127,761,818.91 and 277,943,807.53

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Solution

The third proportional to 127,761,818.91 and 277,943,807.53 is: 604,662,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,761,818.91 : 277,943,807.53 = 277,943,807.53 : x
  2. Step 2: Convert to fraction form
    127,761,818.91/277,943,807.53 = 277,943,807.53/x
  3. Step 3: Cross multiply
    127,761,818.91x = 277,943,807.53 × 277,943,807.53
  4. Step 4: Simplify right side
    127,761,818.91x = 77,252,760,144,968,544
  5. Step 5: Solve for x
    x = 77,252,760,144,968,544/127,761,818.91
  6. Step 6: Final answer
    x = 604,662,338.14

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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.