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Finding the Third Proportional to 1,178,629,428 and 2,566,513,746

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Solution

The third proportional to 1,178,629,428 and 2,566,513,746 is: 5,588,688,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,629,428 : 2,566,513,746 = 2,566,513,746 : x
  2. Step 2: Convert to fraction form
    1,178,629,428/2,566,513,746 = 2,566,513,746/x
  3. Step 3: Cross multiply
    1,178,629,428x = 2,566,513,746 × 2,566,513,746
  4. Step 4: Simplify right side
    1,178,629,428x = 6,586,992,808,406,952,960
  5. Step 5: Solve for x
    x = 6,586,992,808,406,952,960/1,178,629,428
  6. Step 6: Final answer
    x = 5,588,688,566.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.