Home / 1,391,068.69-2,931,582.38

Finding the Third Proportional to 1,391,068.69 and 2,931,582.38

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Solution

The third proportional to 1,391,068.69 and 2,931,582.38 is: 6,178,109.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,068.69 : 2,931,582.38 = 2,931,582.38 : x
  2. Step 2: Convert to fraction form
    1,391,068.69/2,931,582.38 = 2,931,582.38/x
  3. Step 3: Cross multiply
    1,391,068.69x = 2,931,582.38 × 2,931,582.38
  4. Step 4: Simplify right side
    1,391,068.69x = 8,594,175,221,410.64
  5. Step 5: Solve for x
    x = 8,594,175,221,410.64/1,391,068.69
  6. Step 6: Final answer
    x = 6,178,109.89

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.