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Finding the Third Proportional to 4,009,768 and 8,813,440

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Solution

The third proportional to 4,009,768 and 8,813,440 is: 19,371,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009,768 : 8,813,440 = 8,813,440 : x
  2. Step 2: Convert to fraction form
    4,009,768/8,813,440 = 8,813,440/x
  3. Step 3: Cross multiply
    4,009,768x = 8,813,440 × 8,813,440
  4. Step 4: Simplify right side
    4,009,768x = 77,676,724,633,600
  5. Step 5: Solve for x
    x = 77,676,724,633,600/4,009,768
  6. Step 6: Final answer
    x = 19,371,875.04

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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.