Home / 77,069,815.88-126,521,714.81

Finding the Third Proportional to 77,069,815.88 and 126,521,714.81

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Solution

The third proportional to 77,069,815.88 and 126,521,714.81 is: 207,704,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,069,815.88 : 126,521,714.81 = 126,521,714.81 : x
  2. Step 2: Convert to fraction form
    77,069,815.88/126,521,714.81 = 126,521,714.81/x
  3. Step 3: Cross multiply
    77,069,815.88x = 126,521,714.81 × 126,521,714.81
  4. Step 4: Simplify right side
    77,069,815.88x = 16,007,744,319,095,582
  5. Step 5: Solve for x
    x = 16,007,744,319,095,582/77,069,815.88
  6. Step 6: Final answer
    x = 207,704,457.80

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.