Home / 1,621,312,699.50-3,539,917,434

Finding the Third Proportional to 1,621,312,699.50 and 3,539,917,434

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Solution

The third proportional to 1,621,312,699.50 and 3,539,917,434 is: 7,728,931,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,312,699.50 : 3,539,917,434 = 3,539,917,434 : x
  2. Step 2: Convert to fraction form
    1,621,312,699.50/3,539,917,434 = 3,539,917,434/x
  3. Step 3: Cross multiply
    1,621,312,699.50x = 3,539,917,434 × 3,539,917,434
  4. Step 4: Simplify right side
    1,621,312,699.50x = 12,531,015,439,537,143,808
  5. Step 5: Solve for x
    x = 12,531,015,439,537,143,808/1,621,312,699.50
  6. Step 6: Final answer
    x = 7,728,931,897.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.