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Finding the Third Proportional to 26,454,840 and 56,688,816

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Solution

The third proportional to 26,454,840 and 56,688,816 is: 121,475,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,454,840 : 56,688,816 = 56,688,816 : x
  2. Step 2: Convert to fraction form
    26,454,840/56,688,816 = 56,688,816/x
  3. Step 3: Cross multiply
    26,454,840x = 56,688,816 × 56,688,816
  4. Step 4: Simplify right side
    26,454,840x = 3,213,621,859,481,856
  5. Step 5: Solve for x
    x = 3,213,621,859,481,856/26,454,840
  6. Step 6: Final answer
    x = 121,475,762.45

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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.