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Finding the Third Proportional to 877,699,926 and 1,287,453,090

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Solution

The third proportional to 877,699,926 and 1,287,453,090 is: 1,888,499,030.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,699,926 : 1,287,453,090 = 1,287,453,090 : x
  2. Step 2: Convert to fraction form
    877,699,926/1,287,453,090 = 1,287,453,090/x
  3. Step 3: Cross multiply
    877,699,926x = 1,287,453,090 × 1,287,453,090
  4. Step 4: Simplify right side
    877,699,926x = 1,657,535,458,950,548,224
  5. Step 5: Solve for x
    x = 1,657,535,458,950,548,224/877,699,926
  6. Step 6: Final answer
    x = 1,888,499,030.08

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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.