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Finding the Third Proportional to 1,010,530.69 and 1,486,210.78

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Solution

The third proportional to 1,010,530.69 and 1,486,210.78 is: 2,185,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,530.69 : 1,486,210.78 = 1,486,210.78 : x
  2. Step 2: Convert to fraction form
    1,010,530.69/1,486,210.78 = 1,486,210.78/x
  3. Step 3: Cross multiply
    1,010,530.69x = 1,486,210.78 × 1,486,210.78
  4. Step 4: Simplify right side
    1,010,530.69x = 2,208,822,486,303.74
  5. Step 5: Solve for x
    x = 2,208,822,486,303.74/1,010,530.69
  6. Step 6: Final answer
    x = 2,185,804.46

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.