Home / 142,815,478.50-197,338,547.63

Finding the Third Proportional to 142,815,478.50 and 197,338,547.63

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Solution

The third proportional to 142,815,478.50 and 197,338,547.63 is: 272,677,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,815,478.50 : 197,338,547.63 = 197,338,547.63 : x
  2. Step 2: Convert to fraction form
    142,815,478.50/197,338,547.63 = 197,338,547.63/x
  3. Step 3: Cross multiply
    142,815,478.50x = 197,338,547.63 × 197,338,547.63
  4. Step 4: Simplify right side
    142,815,478.50x = 38,942,502,378,744,392
  5. Step 5: Solve for x
    x = 38,942,502,378,744,392/142,815,478.50
  6. Step 6: Final answer
    x = 272,677,043.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.