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Finding the Third Proportional to 55,642,764.50 and 118,943,106.50

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Solution

The third proportional to 55,642,764.50 and 118,943,106.50 is: 254,255,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,642,764.50 : 118,943,106.50 = 118,943,106.50 : x
  2. Step 2: Convert to fraction form
    55,642,764.50/118,943,106.50 = 118,943,106.50/x
  3. Step 3: Cross multiply
    55,642,764.50x = 118,943,106.50 × 118,943,106.50
  4. Step 4: Simplify right side
    55,642,764.50x = 14,147,462,583,870,342
  5. Step 5: Solve for x
    x = 14,147,462,583,870,342/55,642,764.50
  6. Step 6: Final answer
    x = 254,255,206.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.