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Finding the Third Proportional to 355,026 and 778,901

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Solution

The third proportional to 355,026 and 778,901 is: 1,708,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,026 : 778,901 = 778,901 : x
  2. Step 2: Convert to fraction form
    355,026/778,901 = 778,901/x
  3. Step 3: Cross multiply
    355,026x = 778,901 × 778,901
  4. Step 4: Simplify right side
    355,026x = 606,686,767,801
  5. Step 5: Solve for x
    x = 606,686,767,801/355,026
  6. Step 6: Final answer
    x = 1,708,851.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.