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Finding the Third Proportional to 485,415,616 and 1,069,774,392

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Solution

The third proportional to 485,415,616 and 1,069,774,392 is: 2,357,602,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,415,616 : 1,069,774,392 = 1,069,774,392 : x
  2. Step 2: Convert to fraction form
    485,415,616/1,069,774,392 = 1,069,774,392/x
  3. Step 3: Cross multiply
    485,415,616x = 1,069,774,392 × 1,069,774,392
  4. Step 4: Simplify right side
    485,415,616x = 1,144,417,249,778,969,600
  5. Step 5: Solve for x
    x = 1,144,417,249,778,969,600/485,415,616
  6. Step 6: Final answer
    x = 2,357,602,870.73

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.