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Finding the Third Proportional to 2,796,557.91 and 4,421,293.88

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Solution

The third proportional to 2,796,557.91 and 4,421,293.88 is: 6,989,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796,557.91 : 4,421,293.88 = 4,421,293.88 : x
  2. Step 2: Convert to fraction form
    2,796,557.91/4,421,293.88 = 4,421,293.88/x
  3. Step 3: Cross multiply
    2,796,557.91x = 4,421,293.88 × 4,421,293.88
  4. Step 4: Simplify right side
    2,796,557.91x = 19,547,839,529,112.52
  5. Step 5: Solve for x
    x = 19,547,839,529,112.52/2,796,557.91
  6. Step 6: Final answer
    x = 6,989,964.16

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.