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Finding the Third Proportional to 1,821,708,999 and 2,798,854,539

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Solution

The third proportional to 1,821,708,999 and 2,798,854,539 is: 4,300,130,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,708,999 : 2,798,854,539 = 2,798,854,539 : x
  2. Step 2: Convert to fraction form
    1,821,708,999/2,798,854,539 = 2,798,854,539/x
  3. Step 3: Cross multiply
    1,821,708,999x = 2,798,854,539 × 2,798,854,539
  4. Step 4: Simplify right side
    1,821,708,999x = 7,833,586,730,480,902,144
  5. Step 5: Solve for x
    x = 7,833,586,730,480,902,144/1,821,708,999
  6. Step 6: Final answer
    x = 4,300,130,665.64

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.