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Finding the Third Proportional to 879,684,726 and 1,290,769,971

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Solution

The third proportional to 879,684,726 and 1,290,769,971 is: 1,893,959,357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,684,726 : 1,290,769,971 = 1,290,769,971 : x
  2. Step 2: Convert to fraction form
    879,684,726/1,290,769,971 = 1,290,769,971/x
  3. Step 3: Cross multiply
    879,684,726x = 1,290,769,971 × 1,290,769,971
  4. Step 4: Simplify right side
    879,684,726x = 1,666,087,118,035,340,800
  5. Step 5: Solve for x
    x = 1,666,087,118,035,340,800/879,684,726
  6. Step 6: Final answer
    x = 1,893,959,357.02

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