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Finding the Third Proportional to 867,742 and 1,875,854

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Solution

The third proportional to 867,742 and 1,875,854 is: 4,055,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,742 : 1,875,854 = 1,875,854 : x
  2. Step 2: Convert to fraction form
    867,742/1,875,854 = 1,875,854/x
  3. Step 3: Cross multiply
    867,742x = 1,875,854 × 1,875,854
  4. Step 4: Simplify right side
    867,742x = 3,518,828,229,316
  5. Step 5: Solve for x
    x = 3,518,828,229,316/867,742
  6. Step 6: Final answer
    x = 4,055,154.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.