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Finding the Third Proportional to 771,218 and 1,671,148

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Solution

The third proportional to 771,218 and 1,671,148 is: 3,621,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,218 : 1,671,148 = 1,671,148 : x
  2. Step 2: Convert to fraction form
    771,218/1,671,148 = 1,671,148/x
  3. Step 3: Cross multiply
    771,218x = 1,671,148 × 1,671,148
  4. Step 4: Simplify right side
    771,218x = 2,792,735,637,904
  5. Step 5: Solve for x
    x = 2,792,735,637,904/771,218
  6. Step 6: Final answer
    x = 3,621,201.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.