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Finding the Third Proportional to 28,873,176 and 64,201,712

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Solution

The third proportional to 28,873,176 and 64,201,712 is: 142,757,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873,176 : 64,201,712 = 64,201,712 : x
  2. Step 2: Convert to fraction form
    28,873,176/64,201,712 = 64,201,712/x
  3. Step 3: Cross multiply
    28,873,176x = 64,201,712 × 64,201,712
  4. Step 4: Simplify right side
    28,873,176x = 4,121,859,823,730,944
  5. Step 5: Solve for x
    x = 4,121,859,823,730,944/28,873,176
  6. Step 6: Final answer
    x = 142,757,409.98

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.