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Finding the Third Proportional to 59,749,779 and 128,579,743.50

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Solution

The third proportional to 59,749,779 and 128,579,743.50 is: 276,699,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,749,779 : 128,579,743.50 = 128,579,743.50 : x
  2. Step 2: Convert to fraction form
    59,749,779/128,579,743.50 = 128,579,743.50/x
  3. Step 3: Cross multiply
    59,749,779x = 128,579,743.50 × 128,579,743.50
  4. Step 4: Simplify right side
    59,749,779x = 16,532,750,438,525,792
  5. Step 5: Solve for x
    x = 16,532,750,438,525,792/59,749,779
  6. Step 6: Final answer
    x = 276,699,775.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.