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Finding the Third Proportional to 1,355,043 and 1,995,127

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Solution

The third proportional to 1,355,043 and 1,995,127 is: 2,937,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,043 : 1,995,127 = 1,995,127 : x
  2. Step 2: Convert to fraction form
    1,355,043/1,995,127 = 1,995,127/x
  3. Step 3: Cross multiply
    1,355,043x = 1,995,127 × 1,995,127
  4. Step 4: Simplify right side
    1,355,043x = 3,980,531,746,129
  5. Step 5: Solve for x
    x = 3,980,531,746,129/1,355,043
  6. Step 6: Final answer
    x = 2,937,568.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.