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Finding the Third Proportional to 8,402,140 and 17,999,840

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Solution

The third proportional to 8,402,140 and 17,999,840 is: 38,560,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402,140 : 17,999,840 = 17,999,840 : x
  2. Step 2: Convert to fraction form
    8,402,140/17,999,840 = 17,999,840/x
  3. Step 3: Cross multiply
    8,402,140x = 17,999,840 × 17,999,840
  4. Step 4: Simplify right side
    8,402,140x = 323,994,240,025,600
  5. Step 5: Solve for x
    x = 323,994,240,025,600/8,402,140
  6. Step 6: Final answer
    x = 38,560,919.01

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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.