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Finding the Third Proportional to 395,551,780 and 581,896,220

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Solution

The third proportional to 395,551,780 and 581,896,220 is: 856,027,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,551,780 : 581,896,220 = 581,896,220 : x
  2. Step 2: Convert to fraction form
    395,551,780/581,896,220 = 581,896,220/x
  3. Step 3: Cross multiply
    395,551,780x = 581,896,220 × 581,896,220
  4. Step 4: Simplify right side
    395,551,780x = 338,603,210,850,288,384
  5. Step 5: Solve for x
    x = 338,603,210,850,288,384/395,551,780
  6. Step 6: Final answer
    x = 856,027,524.01

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.